document.write( "Question 550733: A chemist is mixing a solution that is 2% acid and another solution that is 8% acid. He needs to make 75 mL of a solution that is 5% acid. How much of each solution should he use? Solve and write a system of equations to model the situation. \n" ); document.write( "
Algebra.Com's Answer #359048 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent percentage ---------------- quantity \n" ); document.write( "Acid type I 2 ---------------- x ml \n" ); document.write( "Acid type II 8 ---------------- 75 - x ml \n" ); document.write( "Mixture 5.00% ---------------- 75 \n" ); document.write( " \n" ); document.write( "2x+8(75-x)=5*75 \n" ); document.write( " \n" ); document.write( "2x+600-8x= 375 \n" ); document.write( "2x-8x=375-600 \n" ); document.write( "-6x=-225 \n" ); document.write( "/-6 \n" ); document.write( " x = 37.5 ml 2.00% Acid type I \n" ); document.write( " 37.5 ml 8.00% Acid type II \n" ); document.write( " \n" ); document.write( " |